elle love me please

def broken():
    files = []
    file1 = os.path.join("broken_file", "rating4")
    os.listdir(file1)
    for i in os.listdir("broken_file"):
        file1 = os.path.join("broken_file", i)
        if os.path.isdir(file1):
            for j in os.listdir(file1):
                file2 = os.path.join(file1,j)
                if os.path.isdir(file2):
                    for k in os.listdir(file2):
                        file3 = os.path.join(file2,k)
                        if os.path.isdir(file3):
                            for n in os.listdir(file3):
                                file4 = os.path.join(file3,n)
                                if os.path.isdir(file4):
                                    pass
                                else:
                                    files.append(file4)
                        else:
                            files.append(file3)

                else:
                    files.append(file2)
        else:
            files.append(file1)
    file3 = []
    for x in files:
        if x[-5:] == ".json":
            files.append(x)
    return sort_list(files)
broken()